83736378 has 24 divisors (see below), whose sum is σ = 197922816. Its totient is φ = 25374600.

The previous prime is 83736371. The next prime is 83736383. The reversal of 83736378 is 87363738.

83736378 is a `hidden beast` number, since 8 + 3 + 7 + 3 + 637 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (83736371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211258 + ... + 211653.

It is an arithmetic number, because the mean of its divisors is an integer number (8246784).

Almost surely, 2^83736378 is an apocalyptic number.

83736378 is an abundant number, since it is smaller than the sum of its proper divisors (114186438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83736378 is a wasteful number, since it uses less digits than its factorization.

83736378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422930 (or 422927 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 83736378 is about 9150.7583292315. The cubic root of 83736378 is about 437.4932840330.

The spelling of 83736378 in words is "eighty-three million, seven hundred thirty-six thousand, three hundred seventy-eight".